45-70 and 2 FG KIK

[bruce moulds]

eric,
distant thunder can make you inserts for mva sights,
they can make whatever aperture size and annulus thickness you need.
it pays to buy a set.
tor the targets I shoot on I have a set from 3.0 to 4.0 mm in 0.2 mm increments.
they are a good company to deal with.
keep safe,
bruce.